Base | Representation |
---|---|
bin | 10011110010100110000100 |
3 | 100202120120010 |
4 | 103302212010 |
5 | 2312003342 |
6 | 303110220 |
7 | 62045166 |
oct | 23624604 |
9 | 10676503 |
10 | 5187972 |
11 | 2a23889 |
12 | 18a2370 |
13 | 10c850a |
14 | 990936 |
15 | 6c729c |
hex | 4f2984 |
5187972 has 24 divisors (see below), whose sum is σ = 12632256. Its totient is φ = 1654048.
The previous prime is 5187971. The next prime is 5187977. The reversal of 5187972 is 2797815.
It is a self number, because there is not a number n which added to its sum of digits gives 5187972.
It is not an unprimeable number, because it can be changed into a prime (5187971) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9123 + ... + 9674.
It is an arithmetic number, because the mean of its divisors is an integer number (526344).
Almost surely, 25187972 is an apocalyptic number.
It is an amenable number.
5187972 is an abundant number, since it is smaller than the sum of its proper divisors (7444284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5187972 is a wasteful number, since it uses less digits than its factorization.
5187972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18827 (or 18825 counting only the distinct ones).
The product of its digits is 35280, while the sum is 39.
The square root of 5187972 is about 2277.7120098906. The cubic root of 5187972 is about 173.1141394309.
The spelling of 5187972 in words is "five million, one hundred eighty-seven thousand, nine hundred seventy-two".
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